26456320 has 72 divisors (see below), whose sum is σ = 69168960. Its totient is φ = 9615360.

The previous prime is 26456281. The next prime is 26456327. The reversal of 26456320 is 2365462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26456327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13141 + ... + 15019.

It is an arithmetic number, because the mean of its divisors is an integer number (960680).

Almost surely, 2^26456320 is an apocalyptic number.

26456320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26456320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34584480).

26456320 is an abundant number, since it is smaller than the sum of its proper divisors (42712640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26456320 is a wasteful number, since it uses less digits than its factorization.

26456320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 26456320 is about 5143.5707441426. The cubic root of 26456320 is about 297.9727014316.

The spelling of 26456320 in words is "twenty-six million, four hundred fifty-six thousand, three hundred twenty".